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Yes. Take the functions

f(x) = log(x)

or

g(x) = ln(x)

In both cases, there is a vertical asymptote where x = 0. Because a number cannot be taken to any power so that it equals zero, and can only come closer and closer to zero without actually reaching it, there is an asymptote where it would equal zero. Note that transformations (especially shifting the function left and right) can change the properties of this asymptote.

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Q: Do logarithmic functions have vertical asymptotes?
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Three types of asymptotes are oblique/slant, horizontal, and vertical


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